22/11/2012

US roads, airports unready for extreme weather

(AP)—America's lifelines—its roads, airports, railways and transit systems—are getting hammered by extreme weather beyond what their builders imagined, leaving states and cities searching for ways to brace for more ...

Muscle powers spearing mantis shrimp attacks

Mantis shrimps pack a powerful punch, whether they smash or spear their victims. According to Maya deVries and Sheila Patek from University of California, Berkeley, smasher mantis shrimps power their claws' ballistic blows ...

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